Dictionary
dec-
var. of
deca- before a vowel:
decathlon. Dec.
December.
dec.
1. (in prescriptions) pour off.
2. deceased.
3. decimeter.
4. declension.
5. decrease.
6. Music.decrescendo.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.